docs: def preformat_call(self, api_call):
          """ Return properly formatted QualysGuard API call.
  
          """
          # Remove possible starting slashes or trailing question marks in call.
          api_call_formatted = api_call.lstrip('/')
          api_call_formatted = api_call_formatted.rstrip('?')
          if api_call != api_call_formatted:
              # Show difference
              logger.debug('api_call post strip =\n%s' % api_call_formatted)
          return api_call_formatted